Electric heater



FIG. 1 is a perspective view of a electrical heater showing my new design.

FIG. 2 is an enlarged side elevational view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a side elevational view of the side opposite that shown in FIG. 2; and,

FIG. 7 is a rear elevational view thereof. 

The ornamental design for an electric heater, as shown. 